assemblyline/src/main/java/assemblyline/client/render/RenderConveyorBelt.java

package assemblyline.client.render;

import assemblyline.client.model.ModelAngledBelt;
import assemblyline.client.model.ModelConveyorBelt;
import assemblyline.common.machine.belt.TileEntityConveyorBelt;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;

@SideOnly(value = Side.CLIENT)
public class RenderConveyorBelt extends TileEntitySpecialRenderer {
    public static final ModelConveyorBelt MODEL = new ModelConveyorBelt();
    public static final ModelAngledBelt MODEL2 = new ModelAngledBelt();

    private void renderAModelAt(
        TileEntityConveyorBelt tileEntity, double x, double y, double z, float f
    ) {
        boolean mid = tileEntity.getIsMiddleBelt();
        TileEntityConveyorBelt.SlantType slantType = tileEntity.getSlant();
        int face = tileEntity.getDirection().ordinal();
        GL11.glPushMatrix();
        GL11.glTranslatef(
            (float) ((float) x + 0.5f),
            (float) ((float) y + 1.5f),
            (float) ((float) z + 0.5f)
        );
        GL11.glRotatef((float) 180.0f, (float) 0.0f, (float) 0.0f, (float) 1.0f);
        int frame = tileEntity.getAnimationFrame();
        if (slantType != null && slantType != TileEntityConveyorBelt.SlantType.NONE) {
            boolean slantAdjust;
            switch (face) {
                case 2: {
                    GL11.glRotatef(
                        (float) 180.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                    break;
                }
                case 3: {
                    GL11.glRotatef(
                        (float) 0.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                    break;
                }
                case 4: {
                    GL11.glRotatef(
                        (float) 90.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                    break;
                }
                case 5: {
                    GL11.glRotatef(
                        (float) -90.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                }
            }
            if (slantType == TileEntityConveyorBelt.SlantType.UP) {
                this.bindTexture(new ResourceLocation(
                    "assemblyline", "textures/models/slantedbelt/frame" + frame + ".png"
                ));
                GL11.glTranslatef((float) 0.0f, (float) 0.8f, (float) -0.8f);
                GL11.glRotatef((float) 180.0f, (float) 0.0f, (float) 1.0f, (float) 1.0f);
                slantAdjust = false;
                TileEntity test = tileEntity.getWorldObj().getTileEntity(
                    tileEntity.xCoord + tileEntity.getDirection().offsetX,
                    tileEntity.yCoord,
                    tileEntity.zCoord + tileEntity.getDirection().offsetZ
                );
                if (test != null && test instanceof TileEntityConveyorBelt
                    && ((TileEntityConveyorBelt) test).getSlant()
                        == TileEntityConveyorBelt.SlantType.TOP) {
                    GL11.glRotatef(
                        (float) 10.0f, (float) 1.0f, (float) 0.0f, (float) 0.0f
                    );
                    slantAdjust = true;
                }
                MODEL2.render(0.0625f, true);
            } else if (slantType == TileEntityConveyorBelt.SlantType.DOWN) {
                this.bindTexture(new ResourceLocation(
                    "assemblyline", "textures/models/slantedbelt/frame" + frame + ".png"
                ));
                GL11.glRotatef((float) 180.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f);
                slantAdjust = false;
                TileEntity test = tileEntity.getWorldObj().getTileEntity(
                    tileEntity.xCoord - tileEntity.getDirection().offsetX,
                    tileEntity.yCoord,
                    tileEntity.zCoord - tileEntity.getDirection().offsetZ
                );
                if (test != null && test instanceof TileEntityConveyorBelt
                    && ((TileEntityConveyorBelt) test).getSlant()
                        == TileEntityConveyorBelt.SlantType.TOP) {
                    GL11.glRotatef(
                        (float) -10.0f, (float) 1.0f, (float) 0.0f, (float) 0.0f
                    );
                    GL11.glTranslatef((float) 0.0f, (float) 0.25f, (float) 0.0f);
                    slantAdjust = true;
                }
                MODEL2.render(0.0625f, slantAdjust);
            } else {
                this.bindTexture(new ResourceLocation(
                    "assemblyline", "textures/models/belt/frame" + frame + ".png"
                ));
                GL11.glRotatef((float) 180.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f);
                GL11.glTranslatef((float) 0.0f, (float) -0.68f, (float) 0.0f);
                MODEL.render(
                    0.0625f,
                    (float) Math.toRadians(tileEntity.wheelRotation),
                    tileEntity.getIsLastBelt(),
                    tileEntity.getIsFirstBelt(),
                    false,
                    false
                );
            }
        } else {
            switch (face) {
                case 2: {
                    GL11.glRotatef(
                        (float) 0.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                    break;
                }
                case 3: {
                    GL11.glRotatef(
                        (float) 180.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                    break;
                }
                case 4: {
                    GL11.glRotatef(
                        (float) -90.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                    break;
                }
                case 5: {
                    GL11.glRotatef(
                        (float) 90.0f, (float) 0.0f, (float) 1.0f, (float) 0.0f
                    );
                }
            }
            this.bindTexture(new ResourceLocation(
                "assemblyline", "textures/models/belt/frame" + frame + ".png"
            ));
            MODEL.render(
                0.0625f,
                (float) Math.toRadians(tileEntity.wheelRotation),
                tileEntity.getIsLastBelt(),
                tileEntity.getIsFirstBelt(),
                false,
                true
            );
        }
        Block ent = tileEntity.getWorldObj().getBlock(
            tileEntity.xCoord, tileEntity.yCoord, tileEntity.zCoord
        );
        GL11.glPopMatrix();
    }

    @Override
    public void renderTileEntityAt(
        TileEntity tileEntity, double var2, double var4, double var6, float var8
    ) {
        this.renderAModelAt((TileEntityConveyorBelt) tileEntity, var2, var4, var6, var8);
    }
}